Shaptic’s gists

Shaptic / Default.vs

Created November 14, 2012 01:44

Basic vertex shader.

	#version 330

	// Input from program: vertex, texture coordinates,
	// and color.
	//
	// In IronClad, these are part of a vertex2_t struct
	// that is passed to the VBO after being loaded with
	// mesh data.
	smooth in vec2 vs_vertex;
	smooth in vec2 vs_texc;

Shaptic / CScene.cpp

Created November 14, 2012 01:21

Rendering meshes in a scene.

	void CScene::Render()
	{
	// Model-view identity matrix, to be loaded later.
	static math::matrix4x4_t MVMatrix = math::IDENTITY;

	// Offload vertex data onto the GPU if it has not been done yet.
	if(!m_GeometryVBO.Finalized()) m_GeometryVBO.FinalizeBuffer();

	// Bind VBO that contains the mesh vertex data.
	m_GeometryVBO.Bind();

Shaptic / gist:4069618

Created November 14, 2012 01:21

	void CScene::Render()
	// Model-view matrix.
	static math::matrix4x4_t MVMatrix = math::IDENTITY;

	// Offload vertex data onto the GPU if it has not been done yet.
	if(!m_GeometryVBO.Finalized()) m_GeometryVBO.FinalizeBuffer();

	// Bind VBO that contains the mesh vertex data.
	m_GeometryVBO.Bind();

Shaptic / CMeshInstance.hpp

Created November 14, 2012 01:03

CMeshInstance class in IronClad

	// IronClad vertex buffer object wrapper.
	#include "VertexBuffer.hpp"

	// IronClad custom mesh loader.
	#include "Mesh.hpp"

	class CMeshInstance
	{
	public:
	/**

Shaptic / Lighting.c

Last active January 3, 2019 20:29

Point-lighting shader

	#define MAX_LIGHTS 10 // Re-written on the fly

	/**
	* @file
	* Fragment shader for lighting.
	* Per-pixel point light lighting is done in this shader.
	*
	* @author me
	* @addtogroup Shaders
	* @{

Shaptic / Shadows.cpp

Created October 1, 2012 01:46

Render shadows in OpenGL

	void RenderShadows(const math::CVector2& LightPos),
	const std::vector<Object*>& shadowCastingObjects)
	{
	// Set up rendering modes
	glMatrixMode(GL_MODELVIEW);
	glPushMatrix();
	glLoadIdentity();
	glDisable(GL_BLEND);
	glColor4f(0.3f, 0.3f, 0.3f, 1.0f); // Dark gray

Shaptic / Shadows.cpp

Created September 30, 2012 01:21

Render shadows in OpenGL

	void RenderShadows(const math::CVector2& LightPos),
	const std::vector<Object*>& shadowCastingObjects)
	{
	// Set up rendering modes
	glMatrixMode(GL_MODELVIEW);
	glPushMatrix();
	glLoadIdentity();
	glDisable(GL_BLEND);
	glColor4f(0.3f, 0.3f, 0.3f, 1.0f); // Dark gray

Shaptic / RayCollision.cpp

Created September 27, 2012 22:54

Checks whether two line-segments interset.

	/**
	* Checks for intersection with another line segment. Touching at
	* endpoints qualifies as intersections.
	*
	* @param math::CRay2 The other line
	*
	* @return TRUE if they intersect, FALSE otherwise.
	* @see http://gamedev.stackexchange.com/questions/26004/how-to-detect-2d-line-on-line-collision
	**/
	bool CRay2::CheckCollision(const CRay2& Other, math::CVector2* p_Intersection) const

Shaptic / Lighting.c

Created September 21, 2012 23:33

Collapse point-lighting fragment shader

	/**
	* @file
	* Fragment shader for lighting.
	* Per-pixel point light lighting is done in this shader.
	*
	* @author George Kudrayvtsev (switch1440)
	* @version 1.0
	* @copyright Apache License v2.0
	* Licensed under the Apache License, Version 2.0 (the "License").\n
	* You may not use this file except in compliance with the License.\n

Shaptic / Lighting.c

Created September 21, 2012 23:32

Collapse point-lighting fragment shader

	/**
	* @file
	* Fragment shader for lighting.
	* Per-pixel point light lighting is done in this shader.
	*
	* @author George Kudrayvtsev (switch1440)
	* @version 1.0
	* @copyright Apache License v2.0
	* Licensed under the Apache License, Version 2.0 (the "License").\n
	* You may not use this file except in compliance with the License.\n

George Shaptic