3D picking float value error fixed.

This commit is contained in:
Tleety
2015-12-09 10:44:06 +01:00
parent c717dd7049
commit eb9c217eb4
4 changed files with 58 additions and 26 deletions
+9 -2
View File
@@ -11,6 +11,13 @@ class ScreenCoords
{
public:
ScreenCoords() = delete;
struct PixelData
{
int Color[2];
float Depth;
};
//Return world position from given screenspace coordinates and depth value in viewspace.
static glm::vec3 ToWorldPos(glm::vec2 screenCoord, float depth, Rectangle resolution, glm::mat4 cameraProjectionMat, glm::mat4 cameraViewMat);
static glm::vec3 ToWorldPos(float x, float y, float depth, Rectangle resolution, glm::mat4 cameraProjectionMat, glm::mat4 cameraViewMat);
@@ -18,8 +25,8 @@ public:
static glm::vec3 ToWorldPos(float x, float y, float depth, float screenWidth, float screenHeight, glm::mat4 cameraProjectionMat, glm::mat4 cameraViewMat);
//Return data from the given buffers at the coordinates given in screenspace. Buffer should probably have a texture that covers the screen.
//Data is given as R = x, B = y, and
static glm::vec3 ToPixelData(glm::vec2 screenCoord, FrameBuffer* PickDataBuffer, GLuint DepthBuffer);
static glm::vec3 ToPixelData(float x, float y, FrameBuffer* PickDataBuffer, GLuint DepthBuffer);
static PixelData ToPixelData(glm::vec2 screenCoord, FrameBuffer* PickDataBuffer, GLuint DepthBuffer);
static PixelData ToPixelData(float x, float y, FrameBuffer* PickDataBuffer, GLuint DepthBuffer);
//Return EntityID of the clicked coordinate in given screenspace coordinates.
//EntityID ScreenCoordsToEntityID(glm::vec2 screenCoord, float depth);