116 lines
2.8 KiB
C++
116 lines
2.8 KiB
C++
#define _CRT_SECURE_NO_WARNINGS
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#ifndef _DEBUG
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#pragma comment( linker, "/subsystem:\"windows\" /entry:\"mainCRTStartup\"" )
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#endif // DEBUG
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#include <GL/glew.h>
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#include <glm/gtc/matrix_transform.hpp>
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#include "setup.h"
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#include "callback.h"
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int main(int argc, char** argv)
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{
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oglVariables scene;
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// init everything
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setupGLFW();
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scene.window = createWindow();
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setupGLEW();
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initVariables(scene);
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glBindVertexArray(scene.vertexArrayID);
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// Set callback functions
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glfwSetMouseButtonCallback(scene.window, mouseButton);
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glfwSetCursorPosCallback(scene.window, mouseMove);
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glfwSetWindowSizeCallback(scene.window, windowResize);
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glfwSetScrollCallback(scene.window, mouseWheel);
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glfwSetKeyCallback(scene.window, keyPress);
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// set background color 0,5 0,8 1,0
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glClearColor(0.0000f, 0.0000f, 0.4000f, 0.0000f);
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// enable z-order
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glEnable(GL_DEPTH_TEST);
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glDepthFunc(GL_LESS);
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glEnable(GL_CULL_FACE);
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// load object to OGL
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glBindBuffer(GL_ARRAY_BUFFER, scene.vertexBufferID);
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glBufferData(
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GL_ARRAY_BUFFER,
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sizeof(scene.object.data) * scene.object.data.size(),
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scene.object.data.data(),
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GL_STATIC_DRAW
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);
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/*/ load color to OGL
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glBindBuffer(GL_ARRAY_BUFFER, scene.colorBufferID);
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glBufferData(
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GL_ARRAY_BUFFER,
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sizeof(scene.object.color) * scene.object.color.size(),
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scene.object.color.data(),
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GL_STATIC_DRAW
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);*/
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// load UV to OGL
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glBindBuffer(GL_ARRAY_BUFFER, scene.uvBufferID);
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glBufferData(
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GL_ARRAY_BUFFER,
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sizeof(scene.object.uv) * scene.object.uv.size(),
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scene.object.uv.data(),
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GL_STATIC_DRAW
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);
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// Main loop
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do {
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//processInteraction(scene.window);
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calcMatrices(scene);
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// clear the scene
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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// use shader prgram
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glUseProgram(scene.shaderPrgmID);
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// tell shader transformation
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glUniformMatrix4fv(scene.matrix.id, 1, GL_FALSE, &scene.matrix.mvp[0][0]);
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// bind texture in texture unit 0
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glActiveTexture(GL_TEXTURE0);
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glBindTexture(GL_TEXTURE_2D, scene.object.textureID);
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// tell sampler to use texture unit 0
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glUniform1i(scene.samplerID, 0);
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// open attribute position
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glEnableVertexAttribArray(0);
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glBindBuffer(GL_ARRAY_BUFFER, scene.vertexBufferID);
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glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, 0);
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/*/ open attribute color
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glEnableVertexAttribArray(1);
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glBindBuffer(GL_ARRAY_BUFFER, scene.colorBufferID);
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glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 0, 0);*/
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// open attribute uv
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glEnableVertexAttribArray(1);
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glBindBuffer(GL_ARRAY_BUFFER, scene.uvBufferID);
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glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 0, 0);
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// draw object
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glDrawArrays(GL_TRIANGLES, 0, 3*12);
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// close attributes
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glDisableVertexAttribArray(0);
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glDisableVertexAttribArray(1);
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glfwSwapBuffers(scene.window);
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glfwPollEvents();
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}
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while (!glfwWindowShouldClose(scene.window));
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cleanUp(scene);
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return 0;
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}
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