kotovalexarian/matabstrix
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Make pyramid a separate object

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This commit is contained in:
Meoweg 2015-11-05 00:24:06 +00:00
parent bc4b3ab13e
commit b9a43fad79
1 changed files with 15 additions and 8 deletions
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23
main.cpp
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@ -28,7 +28,8 @@ static bool keys[GLFW_KEY_LAST];
static float pos_x = 0, pos_y = -4; static float pos_x = 0, pos_y = -4;
static float delta_z = 0, delta_x = 0; static float delta_z = 0, delta_x = 0;
static GLuint elements_id; static GLuint cube_id;
static GLuint pyramid_id;
static const char vertex_shader_source[] = \ static const char vertex_shader_source[] = \
"attribute vec4 position; \n"\ "attribute vec4 position; \n"\
@ -63,7 +64,7 @@ static GLfloat vertices[] = {
1.0, -1.0, -1.0, 1.0, -1.0, -1.0,
1.0, 1.0, -1.0, 1.0, 1.0, -1.0,
-1.0, 1.0, -1.0, -1.0, 1.0, -1.0,
// pyramide // pyramid
2 + 0.0, 0.0, 1.0, 2 + 0.0, 0.0, 1.0,
2 + -0.5, -0.5, 0.0, 2 + -0.5, -0.5, 0.0,
2 + 0.5, 0.5, 0.0, 2 + 0.5, 0.5, 0.0,
@ -82,7 +83,7 @@ const GLfloat colors[] = {
0.0, 1.0, 0.0, 0.0, 1.0, 0.0,
0.0, 0.0, 1.0, 0.0, 0.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0, 1.0,
// pyramide // pyramid
1.0, 0.0, 0.0, 1.0, 0.0, 0.0,
0.0, 1.0, 0.0, 0.0, 1.0, 0.0,
0.0, 0.0, 1.0, 0.0, 0.0, 1.0,
@ -90,7 +91,7 @@ const GLfloat colors[] = {
1.0, 0.0, 1.0, 1.0, 0.0, 1.0,
}; };
const GLushort elements[] = { const GLushort cube[] = {
// front // front
0, 1, 2, 0, 1, 2,
2, 3, 0, 2, 3, 0,
@ -109,7 +110,9 @@ const GLushort elements[] = {
// right // right
1, 5, 6, 1, 5, 6,
6, 2, 1, 6, 2, 1,
// pyramide };
const GLushort pyramid[] = {
8, 9, 11, 8, 9, 11,
8, 9, 12, 8, 9, 12,
8, 10, 11, 8, 10, 11,
@ -150,7 +153,8 @@ int main()
create_array_buffer(1, sizeof(colors), colors, 3, GL_FLOAT); create_array_buffer(1, sizeof(colors), colors, 3, GL_FLOAT);
glEnableVertexAttribArray(1); glEnableVertexAttribArray(1);
elements_id = create_element_array_buffer(sizeof(elements), elements); cube_id = create_element_array_buffer(sizeof(cube), cube);
pyramid_id = create_element_array_buffer(sizeof(pyramid), pyramid);
glViewport(0, 0, 640, 480); glViewport(0, 0, 640, 480);
@ -242,8 +246,11 @@ void iterate()
glUniformMatrix4fv(mvp_id, 1, GL_FALSE, glm::value_ptr(mvp)); glUniformMatrix4fv(mvp_id, 1, GL_FALSE, glm::value_ptr(mvp));
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, elements_id); glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, cube_id);
glDrawElements(GL_TRIANGLES, 6 * 2 * 3 + 6 * 3, GL_UNSIGNED_SHORT, 0); glDrawElements(GL_TRIANGLES, 6 * 2 * 3, GL_UNSIGNED_SHORT, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, pyramid_id);
glDrawElements(GL_TRIANGLES, 6 * 3, GL_UNSIGNED_SHORT, 0);
} }
GLFWCALL void on_key(int key, int action) GLFWCALL void on_key(int key, int action)