Added mat4 in libftm, can rotate, scale and translate vector

26 files changed, 574 insertions, 49 deletions

diff --git a/Makefile b/Makefile
index 78b3453..94a2bb6 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@
 #    By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+         #
 #                                                 +#+#+#+#+#+   +#+            #
 #    Created: 2020/05/09 10:24:52 by charles           #+#    #+#              #
-#    Updated: 2020/05/11 01:55:58 by charles          ###   ########.fr        #
+#    Updated: 2020/05/12 14:04:16 by charles          ###   ########.fr        #
 #                                                                              #
 # **************************************************************************** #
 
@@ -15,15 +15,16 @@ RM = rm -f
 
 VENDOR_DIR = vendor
 LIBFT_DIR = $(VENDOR_DIR)/libft
+LIBFTM_DIR = $(VENDOR_DIR)/libftm
 
 SRC_DIR = src
 INC_DIR = inc
 OBJ_DIR = obj
 
 CC = gcc
-CCFLAGS = -I$(LIBFT_DIR)/include -I$(INC_DIR) \
+CCFLAGS = -I$(LIBFT_DIR)/include -I$(INC_DIR) -I$(LIBFTM_DIR)/inc \
 		  -Wall -Wextra #-Werror
-LDFLAGS = -L$(LIBFT_DIR) -lft
+LDFLAGS = -L$(LIBFT_DIR) -lft -L$(LIBFTM_DIR) -lftm -lm
 
 ifeq ($(shell uname),Linux)
 	LDFLAGS += -lglfw -lGL -lglut -lGLEW
@@ -34,13 +35,13 @@ SRC = $(shell find $(SRC_DIR) -type f -name '*.c')
 OBJ = $(SRC:$(SRC_DIR)/%.c=$(OBJ_DIR)/%.o)
 INC = $(shell find $(INC_DIR) -type f -name '*.h')
 
-all: prebuild libft_all $(NAME)
+all: prebuild $(NAME)
 
 prebuild:
 	mkdir -p $(OBJ_DIR)
 
-$(NAME): $(OBJ)
-	$(CC) -o $@ $^ $(LDFLAGS)
+$(NAME): $(OBJ) libft_all libftm_all
+	$(CC) -o $@ $(OBJ) $(LDFLAGS)
 
 $(OBJ_DIR)/%.o: $(SRC_DIR)/%.c $(INC)
 	$(CC) $(CCFLAGS) -c -o $@ $<
@@ -53,9 +54,9 @@ fcleanloc: cleanloc
 
 reloc: fcleanloc all
 
-clean: libft_clean cleanloc
+clean: libft_clean libftm_fclean cleanloc
 
-fclean: libft_fclean fcleanloc
+fclean: libft_fclean libftm_fclean fcleanloc
 
 re: fclean all
 
@@ -67,3 +68,12 @@ libft_clean:
 
 libft_fclean:
 	$(MAKE) -C $(LIBFT_DIR) fclean
+
+libftm_all:
+	$(MAKE) -C $(LIBFTM_DIR) all
+
+libftm_clean:
+	$(MAKE) -C $(LIBFTM_DIR) clean
+
+libftm_fclean:
+	$(MAKE) -C $(LIBFTM_DIR) fclean
diff --git a/inc/scop.h b/inc/scop.h
index 3c16af8..ef5a8b3 100644
--- a/inc/scop.h
+++ b/inc/scop.h
@@ -6,7 +6,7 @@
 /*   By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/05/09 10:41:44 by charles           #+#    #+#             */
-/*   Updated: 2020/05/11 10:33:29 by charles          ###   ########.fr       */
+/*   Updated: 2020/05/12 13:39:34 by charles          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -19,8 +19,12 @@
 # include <stdlib.h>
 # include <GL/glew.h>
 # include <GLFW/glfw3.h>
+
 # include "libft.h"
 # include "libft_vec.h"
+# include "libftm.h"
+# include "libftm_mat4.h"
+# include "libftm_vec3.h"
 
 typedef struct
 {
@@ -36,6 +40,7 @@ typedef struct
 	unsigned int	index_buf;
 	unsigned int	vertex_array;
 	unsigned int	shader;
+	int				mvp_location;
 }					t_gl_state;
 
 /*
@@ -50,6 +55,7 @@ int					parse(char *filepath, t_object *object);
 
 int					gl_state_init(t_gl_state *state, t_object *object);
 void				gl_state_quit(t_gl_state *state, t_object *object);
+void				gl_state_set_mvp(t_gl_state *state, t_ftmmat4 *mvp);
 
 /*
 ** error.c
@@ -74,4 +80,14 @@ GLFWwindow			*glfw_init(int width, int height);
 
 unsigned int	shader_new(void);
 
+/*
+** texture.c
+*/
+
+/*
+** helper.c
+*/
+
+bool			has_extension(char *filepath, char *extension);
+
 #endif
diff --git a/shader/fragment.glsl b/shader/fragment.glsl
index 6c34349..3fbeac5 100644
--- a/shader/fragment.glsl
+++ b/shader/fragment.glsl
@@ -1,4 +1,4 @@
-#version 400
+#version 400 core
 
 out vec4 out_color;
 
diff --git a/shader/vertex.glsl b/shader/vertex.glsl
index a71ad4e..0e7b04d 100644
--- a/shader/vertex.glsl
+++ b/shader/vertex.glsl
@@ -1,8 +1,10 @@
-#version 400
+#version 400 core
 
 layout (location = 0) in vec3 v_position;
 
+uniform mat4 u_mvp;
+
 void main()
 {
-    gl_Position = vec4(v_position, 1.0);
+    gl_Position = u_mvp * vec4(v_position, 1.0);
 }
diff --git a/src/gl.c b/src/gl.c
index 82e33a9..557cb63 100644
--- a/src/gl.c
+++ b/src/gl.c
@@ -6,7 +6,7 @@
 /*   By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/05/11 01:31:10 by charles           #+#    #+#             */
-/*   Updated: 2020/05/11 10:42:42 by charles          ###   ########.fr       */
+/*   Updated: 2020/05/12 14:07:04 by charles          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -16,20 +16,26 @@ int		gl_state_init(t_gl_state *state, t_object *object)
 {
 	if ((state->shader = shader_new()) == 0)
 		return (-1);
+	GL_CALL(state->mvp_location = glGetUniformLocation(state->shader, "u_mvp"));
+	if (state->mvp_location == -1)
+		return (-1);
+
+	GL_CALL(glGenVertexArrays(1, &state->vertex_array));
 	GL_CALL(glGenBuffers(1, &state->vertex_buf));
+	GL_CALL(glGenBuffers(1, &state->index_buf));
+
+	GL_CALL(glBindVertexArray(state->vertex_array));
+
 	GL_CALL(glBindBuffer(GL_ARRAY_BUFFER, state->vertex_buf));
 	GL_CALL(glBufferData(GL_ARRAY_BUFFER, sizeof(float) * object->vertices_len,
 				object->vertices, GL_STATIC_DRAW));
 
-	GL_CALL(glGenBuffers(1, &state->index_buf));
 	GL_CALL(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, state->index_buf));
-	GL_CALL(glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(float) * object->indices_len,
+	GL_CALL(glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(unsigned int) * object->indices_len,
 				object->indices, GL_STATIC_DRAW));
 
-	GL_CALL(glGenVertexArrays(1, &state->vertex_array));
-	GL_CALL(glBindVertexArray(state->vertex_array));
+	GL_CALL(glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(float) * 3, (void*)0));
 	GL_CALL(glEnableVertexAttribArray(0));
-	GL_CALL(glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(float) * 3, (const void*)0));
 	return (0);
 }
 
@@ -42,3 +48,8 @@ void	gl_state_quit(t_gl_state *state, t_object *object)
 	free(object->vertices);
 	free(object->indices);
 }
+
+void	gl_state_set_mvp(t_gl_state *state, t_ftmmat4 *mvp)
+{
+	GL_CALL(glUniformMatrix4fv(state->mvp_location, 1, GL_TRUE, mvp->m));
+}
diff --git a/src/glfw.c b/src/glfw.c
index a492c08..1071ae0 100644
--- a/src/glfw.c
+++ b/src/glfw.c
@@ -6,12 +6,18 @@
 /*   By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/05/11 01:58:00 by charles           #+#    #+#             */
-/*   Updated: 2020/05/11 09:41:51 by charles          ###   ########.fr       */
+/*   Updated: 2020/05/12 13:58:51 by charles          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "scop.h"
 
+void		st_resize_callback(GLFWwindow *window, int width, int height)
+{
+	(void)window;
+	glViewport(0, 0, width, height);
+}
+
 GLFWwindow	*glfw_init(int width, int height)
 {
 	GLFWwindow	*window;
@@ -28,6 +34,7 @@ GLFWwindow	*glfw_init(int width, int height)
 		return (NULL);
 	}
 	glfwMakeContextCurrent(window);
+	glfwSetFramebufferSizeCallback(window, st_resize_callback);
 	if (glewInit() != GLEW_OK)
 	{
 		glfwDestroyWindow(window);
@@ -35,6 +42,6 @@ GLFWwindow	*glfw_init(int width, int height)
 		return (NULL);
 	}
 	glfwSwapInterval(1);
-	glViewport(0, 0, width, height);
+	/* glViewport(0, 0, width, height); */
 	return (window);
 }
diff --git a/src/helper.c b/src/helper.c
new file mode 100644
index 0000000..34fd560
--- /dev/null
+++ b/src/helper.c
@@ -0,0 +1,21 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   helper.c                                           :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/05/11 14:55:27 by charles           #+#    #+#             */
+/*   Updated: 2020/05/11 14:57:29 by charles          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "scop.h"
+
+bool			has_extension(char *filepath, char *extension)
+{
+	char	*match;
+
+	match = ft_strstr(filepath, extension);
+	return (match != NULL && ft_strlen(match) == ft_strlen(extension));
+}
diff --git a/src/main.c b/src/main.c
index 1dcc36c..5685478 100644
--- a/src/main.c
+++ b/src/main.c
@@ -6,7 +6,7 @@
 /*   By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/05/09 10:20:09 by charles           #+#    #+#             */
-/*   Updated: 2020/05/11 10:49:17 by charles          ###   ########.fr       */
+/*   Updated: 2020/05/12 14:10:09 by charles          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -18,36 +18,86 @@ int main(int argc, char **argv)
 	t_object	object;
 	t_gl_state	state;
 
-	if (argc != 2)
-	{
-		ft_putstr("Usage: ");
-		ft_putstr(argv[0]);
-		ft_putendl(" [obj file]");
-		return (1);
-	}
-	if (parse(argv[1], &object) == -1)
-	{
-		ft_putstr("Error: couldn't parse ");
-		ft_putendl(argv[1]);
-		return (1);
-	}
+	/* if (argc != 2) */
+	/* { */
+	/* 	ft_putstr("Usage: "); */
+	/* 	ft_putstr(argv[0]); */
+	/* 	ft_putendl(" [obj file]"); */
+	/* 	return (1); */
+	/* } */
+	/* if (parse(argv[1], &object) == -1) */
+	/* { */
+	/* 	ft_putstr("Error: couldn't parse "); */
+	/* 	ft_putendl(argv[1]); */
+	/* 	return (1); */
+	/* } */
 
+	float positions[] = {
+		 0.5f,  0.5f, 0.0f,
+		 0.5f, -0.5f, 0.0f,
+		-0.5f, -0.5f, 0.0f,
+		-0.5f,  0.5f, 0.0f
+	};
+	unsigned int index[] = {
+		0, 1, 3,
+		1, 2, 3
+	};
+
+	object.vertices = malloc(sizeof(positions));
+	ft_memcpy(object.vertices, positions, sizeof(positions));
+	object.indices = malloc(sizeof(index));
+	ft_memcpy(object.indices, index, sizeof(index));
+	object.vertices_len = 12;
+	object.indices_len = 6;
 	/* for (size_t i = 0; i < object.indices_len; i++) */
 	/* 	printf("%u\n", object.indices[i]); */
 	/* for (size_t i = 0; i < object.vertices_len; i++) */
 	/* 	printf("%f\n", object.vertices[i]); */
 	/* printf("%lu\n", object.indices_len); */
 
+	t_ftmmat4	trans;
+	t_ftmvec3	vec;
+
+	ftm_mat4init_eye(&trans, 1.0);
+	/* ftm_mat4translate(&trans, 0.5, 0.5, 0.0); */
+
+	ftm_mat4rotate(&trans, ftm_radian(45.0), ftm_vec3init(&vec, 0.0, 0.0, 1.0));
+
+	/* ftm_mat4scale(&trans, 0.5, 0.5, 0.5); */
+
+	for (int i = 0; i < 4; i++)
+	{
+		for (int j = 0; j < 4; j++)
+		{
+			printf("%f, ", trans.m[i * 4 + j]);
+		}
+		printf("\n");
+	}
+
 	if ((window = glfw_init(400, 400)) == NULL
 		|| gl_state_init(&state, &object) == -1)
 		return (1);
+
+	GL_CALL(glBindBuffer(GL_ARRAY_BUFFER, 0));
+	GL_CALL(glBindVertexArray(0));
+
+	GL_CALL(glPolygonMode(GL_FRONT_AND_BACK, GL_LINE));
+
+	GL_CALL(glUseProgram(state.shader));
+	gl_state_set_mvp(&state, &trans);
+
 	while (!glfwWindowShouldClose(window))
 	{
+		GL_CALL(glClearColor(0.2f, 0.3f, 0.3f, 1.0f));
 		GL_CALL(glClear(GL_COLOR_BUFFER_BIT));
+
 		GL_CALL(glUseProgram(state.shader));
+		ftm_mat4rotate(&trans, ftm_radian(1.0), ftm_vec3init(&vec, 0.0, 0.0, 1.0));
+		gl_state_set_mvp(&state, &trans);
+
 		GL_CALL(glBindVertexArray(state.vertex_array));
-		GL_CALL(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, state.index_buf));
-		GL_CALL(glDrawElements(GL_TRIANGLES, object.vertices_len, GL_UNSIGNED_INT, (const void*)0));
+		GL_CALL(glDrawElements(GL_TRIANGLES, object.indices_len, GL_UNSIGNED_INT, (void*)0));
+
 		glfwSwapBuffers(window);
 		glfwPollEvents();
 	}
diff --git a/src/parse.c b/src/parse.c
index b83d9e8..6290b1a 100644
--- a/src/parse.c
+++ b/src/parse.c
@@ -6,7 +6,7 @@
 /*   By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/05/09 11:02:00 by charles           #+#    #+#             */
-/*   Updated: 2020/05/11 01:29:13 by charles          ###   ########.fr       */
+/*   Updated: 2020/05/11 15:55:44 by charles          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -21,7 +21,7 @@ static int	st_parse_face(char **indexes_strs, t_ftvec *indices)
 	unsigned int	first;
 	unsigned int	tmp;
 
-	len = ft_split_len(indexes_strs);
+	len = ft_strslen(indexes_strs);
 	first = ft_atoi(indexes_strs[0]);
 	/* if (ft_vecpush(indices, *(void**)&first) == NULL) */
 	/* 	return (-1); */
@@ -64,11 +64,11 @@ static int	st_parse_line(char *line, t_ftvec *vertices, t_ftvec *indices)
 	if ((split = ft_split(line + 1, ' ')) == NULL)
 		return (-1);
 	ret = -1;
-	if (*line == 'v' && ft_split_len(split) == 3)
+	if (*line == 'v' && ft_strslen(split) == 3)
 		ret = st_parse_vertex(split, vertices);
-	if (*line == 'f' && ft_split_len(split) >= 3)
+	if (*line == 'f' && ft_strslen(split) >= 3)
 		ret = st_parse_face(split, indices);
-	ft_split_destroy(split);
+	ft_strsdestroy(split);
 	return (ret);
 }
 
@@ -101,7 +101,8 @@ int			parse(char *filepath, t_object *object)
 	t_ftvec	*vertices;
 	t_ftvec	*indices;
 
-	if ((fd = open(filepath, O_RDONLY)) == -1)
+	if (!has_extension(filepath, ".obj")
+		|| (fd = open(filepath, O_RDONLY)) == -1)
 		return (-1);
 	if ((vertices = ft_vecnew(SCOP_VEC_DEFAULT_SIZE)) == NULL)
 		return (-1);
diff --git a/src/shader.c b/src/shader.c
index 2e12a3e..dac76c8 100644
--- a/src/shader.c
+++ b/src/shader.c
@@ -6,7 +6,7 @@
 /*   By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/05/11 09:35:54 by charles           #+#    #+#             */
-/*   Updated: 2020/05/11 12:25:16 by charles          ###   ########.fr       */
+/*   Updated: 2020/05/11 21:30:29 by charles          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -17,17 +17,17 @@
 
 static unsigned int	st_compile(char *filepath, unsigned int type)
 {
-	char			*src;
+	t_ftmem			file;
 	unsigned int	id;
 	int				result;
 	int				len;
 	char			*msg;
 
-	if ((src = ft_getfile(open(filepath, O_RDONLY))) == NULL)
+	if (ft_getfile(open(filepath, O_RDONLY), &file) == -1)
 		return (0);
 	GL_CALL(id = glCreateShader(type));
-	GL_CALL(glShaderSource(id, 1, (const char**)&src, NULL));
-	free(src);
+	GL_CALL(glShaderSource(id, 1, (const char**)&file.data, NULL));
+	free(file.data);
 	GL_CALL(glCompileShader(id));
 	GL_CALL(glGetShaderiv(id, GL_COMPILE_STATUS, &result));
 	if (result == GL_FALSE)
diff --git a/src/texture.c b/src/texture.c
new file mode 100644
index 0000000..e499af6
--- /dev/null
+++ b/src/texture.c
@@ -0,0 +1,44 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   texture.c                                          :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/05/11 14:27:34 by charles           #+#    #+#             */
+/*   Updated: 2020/05/11 16:19:56 by charles          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "scop.h"
+
+uint8_t			*st_read_bmp(char *filepath, size_t *width, size_t *height)
+{
+	t_ftmem	file;
+
+	if (ft_getfile(open(filepath, O_RDONLY), &file) == -1)
+		return (NULL);
+	*width = 0;
+	*height = 0;
+	return (file.data);
+}
+
+unsigned int	texture_new(char *filepath)
+{
+	uint8_t			*data;
+	unsigned int	texture;
+	size_t			width;
+	size_t			height;
+
+	if ((data = st_read_bmp(filepath, &width, &height)) == NULL)
+		return (0);
+	GL_CALL(glGenTextures(1, &texture));
+	GL_CALL(glBindTexture(GL_TEXTURE_2D, texture));
+	GL_CALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR));
+	GL_CALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR));
+	GL_CALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE));
+	GL_CALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE));
+	GL_CALL(glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, data));
+	free(data);
+	return (texture);
+}
diff --git a/vendor/libft b/vendor/libft
-Subproject a4b9cda7d6733f2b077f8586e3b3e69351e7dfb
+Subproject b9f000a80cbba38b8f21c9737a42f07573ec7b9
diff --git a/vendor/libftm/Makefile b/vendor/libftm/Makefile
index 2348458..10b2bbd 100644
--- a/vendor/libftm/Makefile
+++ b/vendor/libftm/Makefile
@@ -6,7 +6,7 @@
 #    By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+         #
 #                                                 +#+#+#+#+#+   +#+            #
 #    Created: 2020/05/09 20:44:53 by charles           #+#    #+#              #
-#    Updated: 2020/05/09 21:20:08 by charles          ###   ########.fr        #
+#    Updated: 2020/05/12 11:43:06 by charles          ###   ########.fr        #
 #                                                                              #
 # **************************************************************************** #
 
@@ -21,7 +21,7 @@ CC = gcc
 OFLAG ?= -O0
 CCFLAGS = $(OFLAG) -I$(INC_DIR) -Wall -Wextra -Werror
 
-NAME = libft.a
+NAME = libftm.a
 
 SRC = $(shell find $(SRC_DIR) -type f -name '*.c')
 INC = $(shell find $(INC_DIR) -type f -name '*.h')
diff --git a/vendor/libftm/inc/libftm.h b/vendor/libftm/inc/libftm.h
new file mode 100644
index 0000000..9755d68
--- /dev/null
+++ b/vendor/libftm/inc/libftm.h
@@ -0,0 +1,20 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   libftm.h                                           :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/05/12 11:07:32 by charles           #+#    #+#             */
+/*   Updated: 2020/05/12 13:42:27 by charles          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#ifndef LIBFTM_H
+# define LIBFTM_H
+
+# include <math.h>
+
+float	ftm_radian(float degree);
+
+#endif
diff --git a/vendor/libftm/inc/libftm_mat4.h b/vendor/libftm/inc/libftm_mat4.h
new file mode 100644
index 0000000..f69d7e6
--- /dev/null
+++ b/vendor/libftm/inc/libftm_mat4.h
@@ -0,0 +1,35 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   libftm_mat4.h                                      :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/05/12 11:04:59 by charles           #+#    #+#             */
+/*   Updated: 2020/05/12 13:53:40 by charles          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#ifndef LIBFTM_MAT4_H
+# define LIBFTM_MAT4_H
+
+# include <stddef.h>
+# include <math.h>
+# include "libftm_vec3.h"
+
+typedef struct
+{
+	float	m[4 * 4];
+}			t_ftmmat4;
+
+t_ftmmat4	*ftm_mat4init_eye(t_ftmmat4 *mat4, float x);
+t_ftmmat4	*ftm_mat4init_fill(t_ftmmat4 *mat4, float x);
+t_ftmmat4	*ftm_mat4translate(t_ftmmat4 *mat4, float x, float y, float z);
+t_ftmmat4	*ftm_mat4rotate(t_ftmmat4 *mat4, float radian, t_ftmvec3 *axis);
+t_ftmmat4	*ftm_mat4scale(t_ftmmat4 *mat4, float x, float y, float z);
+t_ftmmat4	*ftm_mat4mul(t_ftmmat4 *dst, t_ftmmat4 *other);
+t_ftmmat4	*ftm_mat4set(t_ftmmat4 *mat4, size_t y, size_t x, float value);
+float		ftm_mat4get(t_ftmmat4 *mat4, size_t y, size_t x);
+
+
+#endif
diff --git a/vendor/libftm/inc/libftm_vec3.h b/vendor/libftm/inc/libftm_vec3.h
new file mode 100644
index 0000000..e9df2c7
--- /dev/null
+++ b/vendor/libftm/inc/libftm_vec3.h
@@ -0,0 +1,23 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   libftm_vec3.h                                      :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/05/12 11:02:29 by charles           #+#    #+#             */
+/*   Updated: 2020/05/12 11:04:08 by charles          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#ifndef LIBFTM_VEC3_H
+# define LIBFTM_VEC3_H
+
+typedef struct
+{
+	float	v[3];
+}			t_ftmvec3;
+
+t_ftmvec3	*ftm_vec3init(t_ftmvec3 *vec3, float x, float y, float z);
+
+#endif
diff --git a/vendor/libftm/src/ftm_radian.c b/vendor/libftm/src/ftm_radian.c
new file mode 100644
index 0000000..6e1e380
--- /dev/null
+++ b/vendor/libftm/src/ftm_radian.c
@@ -0,0 +1,18 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ftm_radian.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/05/12 11:08:29 by charles           #+#    #+#             */
+/*   Updated: 2020/05/12 11:19:17 by charles          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libftm.h"
+
+float	ftm_radian(float degree)
+{
+	return ((degree / 180.0) * M_PI);
+}
diff --git a/vendor/libftm/src/mat4/ftm_mat4get.c b/vendor/libftm/src/mat4/ftm_mat4get.c
new file mode 100644
index 0000000..3223788
--- /dev/null
+++ b/vendor/libftm/src/mat4/ftm_mat4get.c
@@ -0,0 +1,18 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ftm_mat4get.c                                      :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/05/12 13:54:08 by charles           #+#    #+#             */
+/*   Updated: 2020/05/12 13:54:09 by charles          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libftm_mat4.h"
+
+float		ftm_mat4get(t_ftmmat4 *mat4, size_t y, size_t x)
+{
+	return (mat4->m[y * 4 + x]);
+}
diff --git a/vendor/libftm/src/mat4/ftm_mat4init_eye.c b/vendor/libftm/src/mat4/ftm_mat4init_eye.c
new file mode 100644
index 0000000..d32f075
--- /dev/null
+++ b/vendor/libftm/src/mat4/ftm_mat4init_eye.c
@@ -0,0 +1,23 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ftm_mat4init_eye.c                                 :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/05/12 11:10:44 by charles           #+#    #+#             */
+/*   Updated: 2020/05/12 12:17:21 by charles          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libftm_mat4.h"
+
+t_ftmmat4	*ftm_mat4init_eye(t_ftmmat4 *mat4, float x)
+{
+	ftm_mat4init_fill(mat4, 0.0);
+	ftm_mat4set(mat4, 0, 0, x);
+	ftm_mat4set(mat4, 1, 1, x);
+	ftm_mat4set(mat4, 2, 2, x);
+	ftm_mat4set(mat4, 3, 3, x);
+	return (mat4);
+}
diff --git a/vendor/libftm/src/mat4/ftm_mat4init_fill.c b/vendor/libftm/src/mat4/ftm_mat4init_fill.c
new file mode 100644
index 0000000..d7b0b3a
--- /dev/null
+++ b/vendor/libftm/src/mat4/ftm_mat4init_fill.c
@@ -0,0 +1,26 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ftm_mat4init_fill.c                                :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/05/12 12:16:59 by charles           #+#    #+#             */
+/*   Updated: 2020/05/12 12:18:01 by charles          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libftm_mat4.h"
+
+t_ftmmat4	*ftm_mat4init_fill(t_ftmmat4 *mat4, float x)
+{
+	size_t	i;
+
+	i = 0;
+	while (i < 4 * 4)
+	{
+		mat4->m[i] = x;
+		i++;
+	}
+	return (mat4);
+}
diff --git a/vendor/libftm/src/mat4/ftm_mat4mul.c b/vendor/libftm/src/mat4/ftm_mat4mul.c
new file mode 100644
index 0000000..553e47c
--- /dev/null
+++ b/vendor/libftm/src/mat4/ftm_mat4mul.c
@@ -0,0 +1,40 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ftm_mat4mul.c                                      :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/05/12 11:22:20 by charles           #+#    #+#             */
+/*   Updated: 2020/05/12 14:03:19 by charles          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libftm_mat4.h"
+
+static float	st_dot(t_ftmmat4 *a, t_ftmmat4 *b, int y, int x)
+{
+	return (ftm_mat4get(a, y, 0) * ftm_mat4get(b, 0, x) +
+			ftm_mat4get(a, y, 1) * ftm_mat4get(b, 1, x) +
+			ftm_mat4get(a, y, 2) * ftm_mat4get(b, 2, x) +
+			ftm_mat4get(a, y, 3) * ftm_mat4get(b, 3, x));
+}
+
+t_ftmmat4		*ftm_mat4mul(t_ftmmat4 *dst, t_ftmmat4 *other)
+{
+	t_ftmmat4	tmp;
+	int			i;
+	int			j;
+
+	i = -1;
+	while (++i < 4)
+	{
+		j = -1;
+		while (++j < 4)
+			ftm_mat4set(&tmp, i, j, st_dot(dst, other, i, j));
+	}
+	i = -1;
+	while (++i < 4 * 4)
+		dst->m[i] = tmp.m[i];
+	return (dst);
+}
diff --git a/vendor/libftm/src/mat4/ftm_mat4rotate.c b/vendor/libftm/src/mat4/ftm_mat4rotate.c
new file mode 100644
index 0000000..0a39c16
--- /dev/null
+++ b/vendor/libftm/src/mat4/ftm_mat4rotate.c
@@ -0,0 +1,70 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ftm_mat4rotate.c                                   :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/05/12 11:44:18 by charles           #+#    #+#             */
+/*   Updated: 2020/05/12 14:05:18 by charles          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libftm_mat4.h"
+
+/*
+** Rotation axis/vector [x, y, z]
+**
+** 1st column:
+** | cos(θ) + x^2 (1 − cos(θ))   |
+** | y x (1 − cos(θ)) + z sin(θ) |
+** | z x (1 − cos(θ)) − y sin(θ) |
+** | 0                           |
+**
+** 2nd column:
+** | x y (1 − cos(θ)) − z sin(θ) |
+** | cos(θ) + y^2 (1 − cos(θ))   |
+** | z y (1 − cos(θ)) + x sin(θ) |
+** | 0                           |
+**
+** 3rd column:
+** | x z (1 − cos(θ)) + y sin(θ) |
+** | y z (1 − cos(θ)) − x sin(θ) |
+** | cos(θ) + z^2 (1 − cos(θ))   |
+** | 0                           |
+*/
+
+t_ftmmat4	*ftm_mat4rotate(t_ftmmat4 *mat4, float theta, t_ftmvec3 *axis)
+{
+	float		x;
+	float		y;
+	float		z;
+	float		sin_t;
+	float		cos_t;
+	t_ftmmat4	rot;
+
+	x = axis->v[0];
+	y = axis->v[1];
+	z = axis->v[2];
+	sin_t = sin(theta);
+	cos_t = cos(theta);
+	ftm_mat4init_fill(&rot, 0.0);
+	ftm_mat4set(&rot, 0, 0, cos_t + x * x * (1 - cos_t));
+	ftm_mat4set(&rot, 1, 0, y * x * (1 - cos_t) + z * sin_t);
+	ftm_mat4set(&rot, 2, 0, z * x * (1 - cos_t) + y * sin_t);
+	ftm_mat4set(&rot, 3, 0, 0.0);
+
+	ftm_mat4set(&rot, 0, 1, x * y * (1 - cos_t) - z * sin_t);
+	ftm_mat4set(&rot, 1, 1, cos_t + y * y * (1 - cos_t));
+	ftm_mat4set(&rot, 2, 1, z * y * (1 - cos_t) + x * sin_t);
+	ftm_mat4set(&rot, 3, 1, 0);
+
+	ftm_mat4set(&rot, 0, 2, x * z * (1 - cos_t) + y * sin_t);
+	ftm_mat4set(&rot, 1, 2, y * z * (1 - cos_t) - x * sin_t);
+	ftm_mat4set(&rot, 2, 2, cos_t + z * z * (1 - cos_t));
+	ftm_mat4set(&rot, 3, 2, 0);
+
+	ftm_mat4set(&rot, 3, 3, 1.0);
+	ftm_mat4mul(mat4, &rot);
+	return (mat4);
+}
diff --git a/vendor/libftm/src/mat4/ftm_mat4scale.c b/vendor/libftm/src/mat4/ftm_mat4scale.c
new file mode 100644
index 0000000..a278c83
--- /dev/null
+++ b/vendor/libftm/src/mat4/ftm_mat4scale.c
@@ -0,0 +1,25 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ftm_mat4scale.c                                    :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/05/12 11:16:19 by charles           #+#    #+#             */
+/*   Updated: 2020/05/12 11:18:38 by charles          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libftm_mat4.h"
+
+t_ftmmat4	*ftm_mat4scale(t_ftmmat4 *mat4, float x, float y, float z)
+{
+	t_ftmmat4	scale;
+
+	ftm_mat4init_eye(&scale, 1.0);
+	ftm_mat4set(&scale, 0, 0, x);
+	ftm_mat4set(&scale, 1, 1, y);
+	ftm_mat4set(&scale, 2, 2, z);
+	ftm_mat4mul(mat4, &scale);
+	return (mat4);
+}
diff --git a/vendor/libftm/src/mat4/ftm_mat4set.c b/vendor/libftm/src/mat4/ftm_mat4set.c
new file mode 100644
index 0000000..55e8125
--- /dev/null
+++ b/vendor/libftm/src/mat4/ftm_mat4set.c
@@ -0,0 +1,19 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ftm_mat4set.c                                      :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/05/12 11:21:20 by charles           #+#    #+#             */
+/*   Updated: 2020/05/12 11:21:58 by charles          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libftm_mat4.h"
+
+t_ftmmat4	*ftm_mat4set(t_ftmmat4 *mat4, size_t y, size_t x, float value)
+{
+	mat4->m[y * 4 + x] = value;
+	return (mat4);
+}
diff --git a/vendor/libftm/src/mat4/ftm_mat4translate.c b/vendor/libftm/src/mat4/ftm_mat4translate.c
new file mode 100644
index 0000000..38a44d9
--- /dev/null
+++ b/vendor/libftm/src/mat4/ftm_mat4translate.c
@@ -0,0 +1,25 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ftm_mat4translate.c                                :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/05/12 11:12:21 by charles           #+#    #+#             */
+/*   Updated: 2020/05/12 11:19:05 by charles          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libftm_mat4.h"
+
+t_ftmmat4	*ftm_mat4translate(t_ftmmat4 *mat4, float x, float y, float z)
+{
+	t_ftmmat4	trans;
+
+	ftm_mat4init_eye(&trans, 1.0);
+	ftm_mat4set(&trans, 0, 3, x);
+	ftm_mat4set(&trans, 1, 3, y);
+	ftm_mat4set(&trans, 2, 3, z);
+	ftm_mat4mul(mat4, &trans);
+	return (mat4);
+}
diff --git a/vendor/libftm/src/vec3/ftm_vec3init.c b/vendor/libftm/src/vec3/ftm_vec3init.c
new file mode 100644
index 0000000..ff5047c
--- /dev/null
+++ b/vendor/libftm/src/vec3/ftm_vec3init.c
@@ -0,0 +1,21 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ftm_vec3init.c                                     :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/05/12 11:19:55 by charles           #+#    #+#             */
+/*   Updated: 2020/05/12 11:20:53 by charles          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libftm_vec3.h"
+
+t_ftmvec3	*ftm_vec3init(t_ftmvec3 *vec3, float x, float y, float z)
+{
+	vec3->v[0] = x;
+	vec3->v[1] = y;
+	vec3->v[2] = z;
+	return (vec3);
+}