diff options
Diffstat (limited to 'src/main.c')
| -rw-r--r-- | src/main.c | 14 |
1 files changed, 14 insertions, 0 deletions
@@ -2,6 +2,7 @@ #include "texture.h" #include <glad/glad.h> #include <GLFW/glfw3.h> +#include <cglm/cglm.h> #include <stdio.h> #include <stdlib.h> @@ -10,6 +11,12 @@ extern unsigned char src_fragment_glsl[]; static void framebuffer_size_callback(GLFWwindow *window, int w, int h); +static float +radians(float x) +{ + return x * 0.01745329f; +} + int main([[maybe_unused]] int argc, [[maybe_unused]] char **argv) { @@ -95,6 +102,10 @@ main([[maybe_unused]] int argc, [[maybe_unused]] char **argv) const GLint vertex_color_location = shader_uniform_location(&shader, "ourColor"); + mat4 trans = GLM_MAT4_IDENTITY_INIT; + glm_rotate(trans, radians(90), (vec3){0.0f, 0.0f, 1.0f}); + glm_scale(trans, (vec3){0.5f, 0.5f, 0.5f}); + //glPolygonMode(GL_FRONT_AND_BACK, GL_LINE); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, GL_LINEAR); @@ -106,6 +117,9 @@ main([[maybe_unused]] int argc, [[maybe_unused]] char **argv) !(r&1), !(r&2), !(r&4), !(r&8)); glUniform1i(shader_uniform_location(&shader, "texture0"), 0); glUniform1i(shader_uniform_location(&shader, "texture1"), 1); + glUniformMatrix4fv(shader_uniform_location(&shader, + "transform"), + 1, GL_FALSE, trans[0]); glActiveTexture(GL_TEXTURE0); glBindTexture(GL_TEXTURE_2D, texture.id); glActiveTexture(GL_TEXTURE1); |