opengl

commit c4f54ac8aff3b3c3590f61052940dbf529aca328
parent db1e273b0daac9440c21c78d35c684c703cab174
Author: Matsuda Kenji <info@mtkn.jp>
Date:   Wed, 28 Jun 2023 06:30:17 +0900

add another surface

Diffstat:
M
main.c
 | 
16
++++++++++------

1 file changed, 10 insertions(+), 6 deletions(-)
diff --git a/main.c b/main.c
@@ -53,20 +53,24 @@ main(void)
 	float delta = 0.01;
 	float vertices[] = {
 		// positions,    texture coords
-		0.5, 0.5, 0.0,   1.0, 1.0,
-		-0.5, 0.5, 0.0,  0.0, 1.0,
-		-0.5, -0.5, 0.0, 0.0, 0.0,
-		0.5, -0.5, 0.0,  1.0, 0.0,
+		0.5, 0.5, 0.5,   1.0, 1.0,
+		-0.5, 0.5, 0.5,  0.0, 1.0,
+		-0.5, -0.5, 0.5, 0.0, 0.0,
+		0.5, -0.5, 0.5,  1.0, 0.0,
+		0.5, 0.5, -0.5,  0.0, 1.0,
+		0.5, -0.5, -0.5, 0.0, 0.0,
 	};
 	unsigned int indices[] = {
 		0, 1, 2,
 		0, 2, 3,
+		0, 3, 5,
+		0, 4, 5,
 	};
 	mat *trans = matMake((float[]){1.0, 0.0, 0.0, 0.0,
 		0.0, 1.0, 0.0, 0.0,
 		0.0, 0.0, 1.0, 0.0,
 		0.0, 0.0, 0.0, 1.0,}, 4);
-	vec *axis = vecMake((float[]){1.0, 0.0, 0.0}, 3);
+	vec *axis = vecMake((float[]){1.0, 1.0, 0.0}, 3);
 	
 	// initialize glfw
 	glfwInit();
@@ -162,7 +166,7 @@ main(void)
 		glUniform1i(glGetUniformLocation(shader->ID, "texture1"), 1);
 		unsigned int tloc = glGetUniformLocation(shader->ID, "transform");
 		glUniformMatrix4fv(tloc, 1, GL_FALSE, matDataPtr(trans));
-		glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, 0);
+		glDrawElements(GL_TRIANGLES, 12, GL_UNSIGNED_INT, 0);
 	
 		glfwPollEvents();
 		glfwSwapBuffers(window);