From 7b214503608550dc2853b9e01526723f8c65baf3 Mon Sep 17 00:00:00 2001
From: Charles <sircharlesaze@gmail.com>
Date: Tue, 12 May 2020 14:14:06 +0200
Subject: Added mat4 in libftm, can rotate, scale and translate vector

---
 src/main.c | 82 ++++++++++++++++++++++++++++++++++++++++++++++++++------------
 1 file changed, 66 insertions(+), 16 deletions(-)

(limited to 'src/main.c')

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();
 	}
-- 
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