45 lines
1 KiB
C++
45 lines
1 KiB
C++
#include <GL/glew.h>
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#include <glm/mat4x4.hpp>
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#include <glm/gtc/type_ptr.hpp>
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#include <graphics.hpp>
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#include <modelpart.hpp>
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#include <iostream>
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ModelPart::ModelPart() {
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}
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ModelPart::ModelPart(const char* texPath, GLuint transUniformNum) {
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//create vbo, ebo, vao
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initBuffers(&vao);
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//create texture
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initTexture(&tex[0], texPath);
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transUniform = transUniformNum;
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empty = false;
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}
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void ModelPart::bindAndDraw() {
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if (empty) { return; }
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glBindVertexArray(vao);
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glBindTexture(GL_TEXTURE_2D, tex[texSelection]);
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glUniformMatrix4fv(transUniform, 1, GL_FALSE, glm::value_ptr(transMatrix));
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glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, 0);
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}
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void ModelPart::setTransform(glm::vec2 position, float scale) {
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transMatrix = glm::translate(glm::mat4(1.0f), glm::vec3(position.x, -position.y, 0.0f));
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transMatrix = glm::scale(transMatrix, glm::vec3(scale, scale, scale));
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}
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void ModelPart::addTexture(const char* texPath, size_t slot) {
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initTexture(&tex[slot], texPath);
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}
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void ModelPart::selectTexture(size_t slot) {
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texSelection = slot;
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}
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